After ecocardiogram chest x-ray when stop tubes of patient, run on treadmill. When run on treadmill, changes in cardiogram.As far as I am considered to be aged over 40 years should treadmill in a day. In a year at least one time required treadmill test. Sometime not caught in treadmill then thallium is examined.Except this angiography is very famous which old more than 40 years. Angiography is done in 3-4 minutes. In angiography test put tube in hand and leg.In that book explained in the detailed and also in DVD. Angiography also done with city scan slice. Latest 64 or 128 slice machine are coming in which angiography is done in 2 minute.